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Sunken Rock Lighthouse

Fl G 2.5s🇺🇸Upstate New York, USInactive

Location & Light Range

About Sunken Rock Lighthouse

Sunken Rock Light, established in 1847, stands 9 meters tall with a focal height of 8.5 meters. This structure emitted a green light. The lighthouse was converted to solar power in 1988. It is no longer operational. The Great Lakes St. Lawrence Seaway Development Corporation maintains the light under an agreement with the U.S. Coast Guard.

Background
Sunken Rock Light is a lighthouse in Bush Island, New York. It was converted to solar power in 1988. It is maintained by the Great Lakes St. Lawrence Seaway Development Corporation pursuant to an agreement with the U.S. Coast Guard authorized under 14 USC 81.

Light & Optic

Characteristic Signature
Fl G 2.5s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
2.5s
Focal Height
8.5m

Construction & History

Year Built
1847

References & Identifiers

Wikipedia
Read on Wikipedia →
Wikidata
Q14707396 →
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
9m

Location

City
Upstate New York
Country
🇺🇸US
Latitude
44.3457°
Longitude
-75.9154°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Sunken Rock Lighthouse at night?+
Sunken Rock displays the characteristic Fl G 2.5s — 1 green flash every 2.5 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The green color may indicate a specific sector or warning zone.
Which ports and harbors does Sunken Rock Lighthouse guide vessels into?+
Sunken Rock Lighthouse assists vessels approaching 5 nearby ports. The closest is ALEXANDRIA BAY at 0.8 NM to the S. Other ports served include Rockport (2.2 NM NNW), Clayton (8.9 NM SW), CLAYTON (9.2 NM SW), GORDON MARINE (10.6 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sunken Rock Lighthouse still active and maintained?+
Sunken Rock Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.
How can I track vessels near Sunken Rock Lighthouse?+
You can track vessels near Sunken Rock Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.